I found this grindstone while metal detecting in Eastern NC. I also found a few archaic period artifacts nearby. On closer inspection I noticed intersecting lines / channels and notching along some of the channels. I would appreciate any feedback on whether the marks represent run of the mill sharpening / grinding or if this could be more artistic in nature. If I use my imagination, I can see a dragonfly shape on the left part of the first image. Maybe the notching on the channels represents a centipede? Thank you.
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